What is the name of the dealer typically employed by casinos who might work the game Blackjack Switch patented in 2009?
croupier
-1
Section::::Abstract.
Blackjack Switch
11232160
-1
Section::::Abstract.
Blackjack Switch
11232160
-1
Section::::Abstract.
Croupier
171271
-1
Section::::Abstract.
Croupier
171271